Search a number
-
+
443411401 = 71287961
BaseRepresentation
bin11010011011011…
…110101111001001
31010220100122002111
4122123132233021
51402003131101
6111555502321
713662635416
oct3233365711
91126318074
10443411401
11208326604
121045b79a1
1370b30b14
1442c6510d
1528ddb251
hex1a6debc9

443411401 has 6 divisors (see below), whose sum is σ = 449749706. Its totient is φ = 437161200.

The previous prime is 443411393. The next prime is 443411407. The reversal of 443411401 is 104114344.

It can be written as a sum of positive squares in only one way, i.e., 241771401 + 201640000 = 15549^2 + 14200^2 .

It is not a de Polignac number, because 443411401 - 23 = 443411393 is a prime.

It is a super-2 number, since 2×4434114012 = 393227341073565602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443411407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38940 + ... + 49021.

Almost surely, 2443411401 is an apocalyptic number.

It is an amenable number.

443411401 is a deficient number, since it is larger than the sum of its proper divisors (6338305).

443411401 is an frugal number, since it uses more digits than its factorization.

443411401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88103 (or 88032 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 443411401 is about 21057.3360375903. The cubic root of 443411401 is about 762.5510998989.

Adding to 443411401 its reverse (104114344), we get a palindrome (547525745).

The spelling of 443411401 in words is "four hundred forty-three million, four hundred eleven thousand, four hundred one".

Divisors: 1 71 5041 87961 6245231 443411401